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I'm having an eCommerce system "Zen Cart" Installed with website PayPal IPN for payment module, and i've set it to sandbox to test the functionality of the purchase.

after i checkout to PayPal and i pay with a sandbox account to a sandbox business test account and the money actually goes to business account, it returns to the website with no number of order displayed, and no orders in the admin panel or anywhere.

the log showed this:

Apr 09 2013 11:53 -- IPN INFO - Confirmation/Validation response 



Apr 09 2013 11:53 -- Breakpoint: 1 - Collected data from PayPal notification

Apr 09 2013 11:53 -- IPN WARNING :: Transaction was not marked as VERIFIED. Keep this report for potential use in fraud investigations.
IPN Info = 


Apr 09 2013 11:53 -- IPN FATAL ERROR :: Transaction did not validate

When i do ipncheck.php of the zen cart i get this error:

IPNCHECK.PHP - Version 1.0

IPN TESTING - POSTING to PayPal via: ssl://www.paypal.com:443

IPN TESTING - Confirmation/Validation response: RESPONSE RECEIVED - Communications OKAY


Script finished.

Please need help with this!

Thanks in advance!

UPDATE:

i'm getting this error in the main errors log: [10-Apr-2013 13:54:08] PHP Warning: implode() [<a href='function.implode'>function.implode</a>]: Invalid arguments passed in includes/modules/payment/paypal/paypal_functions.php on line 506

Abude
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1 Answers1

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It sounds like you are receiving the communication, but the POST when being sent back to PayPal for validation is not validating. Causing the order not to get updated. Take a look at the IPN troubleshooting steps here, they may help. Log the request that you are receiving, and the one that your system is sending back and compare them. See if there is any difference.

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PP_MTS_Chad
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  • I've compared the two files of the log, but are the same, no difference, i even changed the encoding to be the same ... any other things should i check? – Abude Apr 10 '13 at 13:09
  • i've updated my answer with an error i saw in the main log errors, any ideas? thanks! – Abude Apr 10 '13 at 18:56
  • With out seeing any code its hard to say. Some of the merchants I have worked with in the past encountered this issue when they were not declaring their array. Which could easily fixed by declaring the array. – PP_MTS_Chad Apr 10 '13 at 19:57
  • But the code was not changed at all in fact i re-uploaded it so it will be the original file, what should i declare and where :( ? – Abude Apr 11 '13 at 07:41